The Spiral Gear,steam Turbine, cataloged under National Stock Number 2825-00-078-3077, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is General Electric Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-078-3077 |
| Primary Part Number | 656D571P2 |
| Item Name | Spiral Gear,steam Turbine |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| General Characteristics Item Description | BRONZE; RH HELIX OF TEETH,45 DEG ANGLE; 5.090 IN. PITCH DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 656D571PC2 | General Electric Company (USA) |
| 656D571P2 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 656D571-0002 | 5/9 Secondary reference General Electric Company |
| 656D571P2 | 5/9 Secondary reference Ships Parts Inc |
NSN 2825-00-078-3077 is a Spiral Gear,steam Turbine, manufactured by General Electric Company, classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-078-3077 has 2 manufacturer part numbers on file: 656D571PC2 (General Electric Company), 656D571P2 (General Electric Company).
Key specifications for 656D571P2: General Characteristics Item Description: BRONZE; RH HELIX OF TEETH,45 DEG ANGLE; 5.090 IN. PITCH DIA IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.